{{ form_start(form, {
    'attr' : {
        'class':'dirtForm',
        'novalidate': 'novalidate'
    }
}) }}
    {{ form_row(form.contactName) }}
    {{ form_row(form.businessName) }}
    {{ form_row(form.phone) }}
    {{ form_row(form.email) }}
    {{ form_row(form.address) }}
    {{ form_row(form.city) }}
    {{ form_row(form.state) }}
    {{ form_row(form.zip) }}
    {{ form_row(form.yardsOfDirt) }}
    {{ form_row(form.startTakingDirt) }}
    {{ form_row(form.payForTrucking) }}
    {{ form_row(form.gradingService) }}
    {{ form_row(form.comments) }}
<button type="submit" class="btn btn-success">Submit</button>
{{ form_end(form) }}